welcome to health care magic 
thankyou for sharing your doubt
taking in ti consideration about the complaint it is called hot flushes in medical terminology
as considering age about 69 years. female it indicates may be you are suffering from menopausal symptoms
menopause- it is an normal change occurs in femmale with increasing age
it occurs due to decrease function of ovary like decrease in 
estrogen secretion by 
ovarian follicle,
it occurs in females after 45 yearsof age
hit flushes _patients complains if release of vapour from body/body becomes hot 
thus lasts for few seconds, it occurs 50_60 times a day it is associated with night sweating 
it disturbs females mental balance,decrease in sleep,decrease in interest in every work
treatment includes wearing light cloths,always be under air,
cold atmosphere, avoid spicy foods,if these symptoms not reduced so by,oral estrogen containing 
hormonal therapy is used